‘”You can tell that he’s put a lot of time into really wanting to fully know everything,” Chandler, who played for the Bills from 2010 to 2014, said by phone Monday. “I think that lends itself to him being a coordinator. But as a tight end coach, that was pretty special to have a guy who had that great a grasp of what we were trying to do on offense. I thought Brian was the smartest tight end coach I was around.”‘